Business Details
50+ Years
experience
Emergency
services
Your Trusted Electrical Partner in Silver Spring
William G. Hyman Electrical has served residential and commercial clients since 1968, specializing in electrical service upgrades, panel replacements, and rewiring for older homes. Founded by William Hyman after training with a NASA engineer, our team combines decades of technical expertise with a commitment to personalized service. We prioritize safety, reliability, and transparency, offering fixed-price quotes and 24/7 emergency support.Our licensed electricians handle projects from minor repairs to full-system overhauls, ensuring compliance with modern standards while preserving the integrity of historic properties. With a $3 million liability policy and licenses in Maryland and Washington, D.C., we deliver solutions tailored to clients' needs, backed by a 100% satisfaction guarantee.
Services
Electrical Upgrades
Panel Replacement
Wiring Repairs
Ceiling Fan Installation
Outdoor Security Lighting
Details
- Year established: 1968
Highlights and features
- We specialize in electrical upgrades for older homes built before 1965
- Our team includes NATE-certified HVAC wiring specialists
- We guarantee fixed-price quotes with no hidden fees
- 24/7 emergency service available for urgent electrical issues
- Licensed in Maryland and Washington, D.C. with $3M liability coverage
What people say
Knowledgeable about older homes
Prompt and courteous service
Cleaned up after work
Provided clear explanations
Competitive pricing
Services
Electrical Upgrade
Upgrade outdated electrical systems to meet modern demands. Our experts handle 100-200 amp upgrades, replacing fuses with circuit breakers and enhancing safety. Ideal for older homes needing increased capacity for appliances and electronics. Ensures compliance with current codes.
Panel Replacement
Replace aging electrical panels to prevent tripping and improve safety. We install modern breakers compatible with today's power needs. Addresses flickering lights and appliance issues. Required for homes with outdated fuse boxes or insufficient amperage.
Old House Wiring
Specialized rewiring for pre-1965 homes. Our technicians preserve structural integrity while updating Edison-era systems. Services include replacing brittle wiring, adding grounding, and integrating modern conveniences like high-speed internet without damaging historic features.
Emergency Repairs
Immediate response for urgent electrical issues. Available nights, weekends, and holidays. Handles power outages, tripped circuits, and safety hazards. Technicians carry essential parts for same-visit fixes, minimizing disruption to your schedule.
Lighting Installation
Install recessed lighting, ceiling fans, and dimmer systems. Our team ensures proper wiring for energy-efficient LED solutions and smart controls. Services include layout design, fixture selection guidance, and code-compliant installations for improved functionality and ambiance.
People
William G. Hyman
Owner
Founded the company in 1968 after training with a NASA engineer. Specializes in residential electrical systems with focus on older homes. Holds licenses in Maryland and Washington, D.C. Directly oversees complex projects and client communications.
Jeremy Andres
Lead Electrician
Master electrician with 15+ years experience in system upgrades. Specializes in historic home rewiring and emergency diagnostics. Recognized for meticulous workmanship and clear client communication. Directly manages crews during major installations.
Questions
What are signs my home needs electrical upgrades?
Frequent breaker trips, dimming lights when using appliances, outdated fuse boxes, or inability to run modern electronics safely indicate potential electrical system issues requiring professional assessment.
Do you offer emergency electrical services?
Yes, we provide 24/7 emergency service for urgent issues like complete power loss, sparking outlets, or safety hazards. Technicians respond promptly with necessary diagnostic tools and repair equipment.
Can you work on historic properties without damaging them?
Our team specializes in pre-1965 homes, using minimally invasive techniques to update wiring while preserving architectural details. We maintain original aesthetics while ensuring modern safety standards and capacity.
What areas do you service?
We serve Silver Spring, Bethesda, Chevy Chase, Rockville, and surrounding Maryland communities within 20904 ZIP code area. Service includes both residential neighborhoods and commercial districts.
Are estimates provided before work begins?
Yes, we offer detailed written estimates after on-site assessments. Prices are guaranteed with no hidden fees. Emergency service quotes can often be provided over the phone for basic issues.
